---
product_id: 16396506
title: "SEI Marine ProductsCompatible with Mercury Mariner Impeller Kit 47-89980T1 3.9 4 4.5 7.5 9.8 HP 1975-1986 with .438 O.D. shaft."
brand: "sei marine products"
price: "292 zł"
currency: PLN
in_stock: true
reviews_count: 8
url: https://www.desertcart.pl/products/16396506-sei-marine-productscompatible-with-mercury-mariner-impeller-kit-47-89980t1
store_origin: PL
region: Poland
---

# .438 O.D. Shaft Fits 3.9-9.8 HP OE# Replacement SEI Marine ProductsCompatible with Mercury Mariner Impeller Kit 47-89980T1 3.9 4 4.5 7.5 9.8 HP 1975-1986 with .438 O.D. shaft.

**Brand:** sei marine products
**Price:** 292 zł
**Availability:** ✅ In Stock

## Summary

> 🚤 Upgrade Your Ride with Confidence!

## Quick Answers

- **What is this?** SEI Marine ProductsCompatible with Mercury Mariner Impeller Kit 47-89980T1 3.9 4 4.5 7.5 9.8 HP 1975-1986 with .438 O.D. shaft. by sei marine products
- **How much does it cost?** 292 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/16396506-sei-marine-productscompatible-with-mercury-mariner-impeller-kit-47-89980t1)

## Best For

- sei marine products enthusiasts

## Why This Product

- Trusted sei marine products brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Fit:** Perfectly designed for 3.9 to 9.8 HP Mercury and Mariner outboards.
- • **Easy Installation:** Get back on the water quickly with straightforward setup.
- • **Durable Construction:** Built to withstand the rigors of marine environments.
- • **Precision Engineering:** Crafted for a .438 O.D. shaft for optimal performance.
- • **Seamless Compatibility:** Engineered to replace OE# 47-89980T1 effortlessly.

## Overview

The SEI Marine Products Impeller Kit is a high-quality replacement for OE# 47-89980T1, designed to fit Mercury and Mariner outboard lower units ranging from 3.9 to 9.8 HP, featuring a .438 O.D. shaft for seamless integration and reliable performance.

## Description

SEI Marine ProductsCompatible with Mercury Mariner Impeller Kit 47-89980T1 3.9 4 4.5 7.5 9.8 HP 1975-1986 with .438 O.D. shaft.

## Features

- This impeller kit replaces OE#: 47-89980T1 and fits 3.9-9.8 HP Mercury and Mariner outboard lower units with a .438 O.D. shaft.

## Images

![SEI Marine ProductsCompatible with Mercury Mariner Impeller Kit 47-89980T1 3.9 4 4.5 7.5 9.8 HP 1975-1986 with .438 O.D. shaft. - Image 1](https://m.media-amazon.com/images/I/31wNmJwlNML.jpg)

## Customer Reviews

### ⭐⭐ 2.0 out of 5 stars







  
  
    Too soft of rubber. Doesn't create enough pressure.
  

*by D***. on Reviewed in the United States on September 29, 2022*

Impeller is no good

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Everything was what I ordered
  

*by G***S on Reviewed in the United States on July 1, 2020*

Everything thing was good. Good delivery time.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Exactly what I neeed
  

*by M***K on Reviewed in the United States on November 10, 2018*

Fast shipping, affordable price

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**Shop now:** [https://www.desertcart.pl/products/16396506-sei-marine-productscompatible-with-mercury-mariner-impeller-kit-47-89980t1](https://www.desertcart.pl/products/16396506-sei-marine-productscompatible-with-mercury-mariner-impeller-kit-47-89980t1)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-24*